Month Index 2015=100 1996-01-01 81.76 1996-02-01 81.76 1996-03-01 81.76 1996-04-01 82.34 1996-05-01 82.42 1996-06-01 82.34 1996-07-01 82.58 1996-08-01 82.58 1996-09-01 82.58 1996-10-01 82.58 1996-11-01 82.58 1996-12-01 82.66 1997-01-01 83.08 1997-02-01 83.16 1997-03-01 83.16 1997-04-01 83.32 1997-05-01 83.32 1997-06-01 83.32 1997-07-01 83.65 1997-08-01 83.65 1997-09-01 83.74 1997-10-01 83.74 1997-11-01 83.74 1997-12-01 83.74 1998-01-01 83.98 1998-02-01 84.15 1998-03-01 84.06 1998-04-01 84.39 1998-05-01 84.39 1998-06-01 84.39 1998-07-01 84.72 1998-08-01 84.72 1998-09-01 84.72 1998-10-01 84.72 1998-11-01 84.72 1998-12-01 84.72 1999-01-01 85.05 1999-02-01 85.05 1999-03-01 85.05 1999-04-01 85.30 1999-05-01 85.38 1999-06-01 85.38 1999-07-01 85.71 1999-08-01 85.71 1999-09-01 85.71 1999-10-01 85.71 1999-11-01 85.88 1999-12-01 85.88 2000-01-01 86.12 2000-02-01 86.12 2000-03-01 86.12 2000-04-01 86.45 2000-05-01 86.45 2000-06-01 86.62 2000-07-01 86.70 2000-08-01 86.70 2000-09-01 86.70 2000-10-01 86.70 2000-11-01 86.70 2000-12-01 86.70 2001-01-01 87.30 2001-02-01 87.28 2001-03-01 87.34 2001-04-01 87.90 2001-05-01 88.02 2001-06-01 88.03 2001-07-01 88.47 2001-08-01 88.47 2001-09-01 88.49 2001-10-01 88.72 2001-11-01 88.81 2001-12-01 89.33 2002-01-01 89.37 2002-02-01 89.37 2002-03-01 89.38 2002-04-01 81.28 2002-05-01 81.28 2002-06-01 81.30 2002-07-01 81.32 2002-08-01 81.35 2002-09-01 81.36 2002-10-01 71.58 2002-11-01 71.72 2002-12-01 71.74 2003-01-01 72.08 2003-02-01 72.74 2003-03-01 73.22 2003-04-01 72.83 2003-05-01 72.91 2003-06-01 72.93 2003-07-01 73.03 2003-08-01 73.23 2003-09-01 73.56 2003-10-01 71.66 2003-11-01 71.67 2003-12-01 71.95 2004-01-01 72.41 2004-02-01 72.55 2004-03-01 72.75 2004-04-01 73.35 2004-05-01 73.39 2004-06-01 73.38 2004-07-01 73.38 2004-08-01 73.38 2004-09-01 73.47 2004-10-01 73.52 2004-11-01 73.49 2004-12-01 73.49 2005-01-01 73.59 2005-02-01 73.80 2005-03-01 73.83 2005-04-01 74.24 2005-05-01 74.24 2005-06-01 74.23 2005-07-01 74.30 2005-08-01 74.30 2005-09-01 74.29 2005-10-01 74.58 2005-11-01 74.58 2005-12-01 74.58 2006-01-01 74.71 2006-02-01 75.13 2006-03-01 75.13 2006-04-01 75.44 2006-05-01 75.45 2006-06-01 75.49 2006-07-01 75.51 2006-08-01 75.57 2006-09-01 76.25 2006-10-01 76.31 2006-11-01 76.38 2006-12-01 76.43 2007-01-01 76.69 2007-02-01 76.84 2007-03-01 76.89 2007-04-01 77.19 2007-05-01 77.13 2007-06-01 77.12 2007-07-01 77.32 2007-08-01 77.77 2007-09-01 78.48 2007-10-01 78.55 2007-11-01 78.63 2007-12-01 78.99 2008-01-01 78.46 2008-02-01 78.78 2008-03-01 78.82 2008-04-01 79.08 2008-05-01 79.12 2008-06-01 79.27 2008-07-01 79.45 2008-08-01 79.76 2008-09-01 81.00 2008-10-01 81.11 2008-11-01 81.35 2008-12-01 81.24 2009-01-01 81.22 2009-02-01 81.63 2009-03-01 81.65 2009-04-01 82.06 2009-05-01 82.17 2009-06-01 82.79 2009-07-01 82.85 2009-08-01 83.21 2009-09-01 84.36 2009-10-01 84.61 2009-11-01 84.51 2009-12-01 84.49 2010-01-01 83.72 2010-02-01 83.52 2010-03-01 84.07 2010-04-01 84.66 2010-05-01 85.29 2010-06-01 86.17 2010-07-01 84.60 2010-08-01 85.66 2010-09-01 86.02 2010-10-01 85.96 2010-11-01 85.67 2010-12-01 85.92 2011-01-01 86.36 2011-02-01 86.54 2011-03-01 87.10 2011-04-01 87.15 2011-05-01 87.35 2011-06-01 86.41 2011-07-01 84.90 2011-08-01 86.75 2011-09-01 86.83 2011-10-01 87.28 2011-11-01 86.93 2011-12-01 87.58 2012-01-01 89.56 2012-02-01 89.48 2012-03-01 89.99 2012-04-01 90.69 2012-05-01 91.94 2012-06-01 93.12 2012-07-01 92.93 2012-08-01 91.25 2012-09-01 91.25 2012-10-01 90.95 2012-11-01 91.00 2012-12-01 91.00 2013-01-01 91.21 2013-02-01 92.45 2013-03-01 92.69 2013-04-01 93.92 2013-05-01 93.32 2013-06-01 93.71 2013-07-01 92.48 2013-08-01 93.17 2013-09-01 93.64 2013-10-01 93.91 2013-11-01 93.89 2013-12-01 93.91 2014-01-01 94.02 2014-02-01 95.05 2014-03-01 95.41 2014-04-01 95.74 2014-05-01 95.82 2014-06-01 95.86 2014-07-01 96.99 2014-08-01 97.37 2014-09-01 97.24 2014-10-01 97.33 2014-11-01 97.34 2014-12-01 96.61 2015-01-01 97.21 2015-02-01 98.12 2015-03-01 98.57 2015-04-01 99.86 2015-05-01 100.47 2015-06-01 100.73 2015-07-01 100.04 2015-08-01 99.92 2015-09-01 101.29 2015-10-01 101.27 2015-11-01 101.50 2015-12-01 101.03 2016-01-01 100.32 2016-02-01 100.89 2016-03-01 101.29 2016-04-01 102.77 2016-05-01 103.19 2016-06-01 104.38 2016-07-01 101.38 2016-08-01 102.94 2016-09-01 102.51 2016-10-01 102.64 2016-11-01 102.69 2016-12-01 102.40 2017-01-01 103.21 2017-02-01 103.31 2017-03-01 103.82 2017-04-01 104.90 2017-05-01 105.25 2017-06-01 105.70 2017-07-01 105.53 2017-08-01 105.90 2017-09-01 106.18 2017-10-01 105.63 2017-11-01 105.23 2017-12-01 105.53 2018-01-01 99.58 2018-02-01 99.18 2018-03-01 100.12 2018-04-01 103.02 2018-05-01 104.05 2018-06-01 105.98 2018-07-01 103.04 2018-08-01 101.79 2018-09-01 102.39 2018-10-01 102.42